Projects

Things I have built and shipped.
SejongUnivMobile facility reservation screen
2025 – 2026
Released

SejongUnivMobile

An unofficial integrated mobile super app for Sejong University student life. It streamlines electronic attendance, mobile student ID, timetable, reading-room status, facility reservation, community, school notices, and personalized academic menus into one cleaner flow. It grew out of a 2025-2 hackathon prototype, was developed through the 2026-1 Creative Semester program, and was released on Google Play under the name “세종대역”.

FlutterMobile app
A Raspberry Pi 5 next to a phone showing a successful attendance check
2025
Completed

Bluetooth Beacon Attendance Spoofing via Raspberry Pi 5

A Bluetooth beacon cloning system built on a Raspberry Pi 5 to demonstrate vulnerabilities in attendance-check systems. All findings were responsibly reported to the university.

Grand Prize (Project Division), 3rd Information Security Academic Festival
Raspberry PiBluetoothSecurity research
Sejong University AI assistant chatbot interface
2025 – Present
In progress

Sejong University Next-Gen AI Chatbot

An AI chatbot for Sejong University built on RAG (Retrieval-Augmented Generation), providing up-to-date answers on university regulations, announcements, course catalogs, and more. Selected as an official Sejong University Creative Semester project and under active development.

Gold Award, 13th Sejong University SW·AI Hackathon
RAGLLMChatbot
Life isn't about waiting for the storm to pass. It's about learning how to dance in the rain.Vivian Greene
© 2026 LastDance.kr